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22 Cards in this Set
- Front
- Back
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a scientist who discovered the law of universal gravitation.
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Sir Isaac Newton
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the scottish scientist who discovered electromagnetic waves.
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James Maxwell Clerk
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the first astronomer to make extensive use of a telescope
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Galieo
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the father of modern Rocketry
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Robert H. Goddard
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leader in space exploration
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Wernher von Braun
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The first person to travel into space
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Yuri Garin
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the first American in space
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Alan Sheppard
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the first American to orbit the earth
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John Glenn
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the first women to fly in space
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Valentina Tereshkova
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The first man to set foot on the moon
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Neil Armstrong
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discovered what is now Uranus
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The Hershels
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the planet closest to the sun
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Mercury
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The hottest planet
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Venus
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The only planet people can live on
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Earth
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called the red planet
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Mars
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the largest planet
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Jupiter
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the planet known for its rings
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Saturn
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the eighth planet from the sun
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Neptune
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noted for being turned side ways
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Uranus
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the smallest planet
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Pluto
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Satellites that are used to relay telephone messages, televisionbroadcasts, and other signals around the world
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communication
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A orbit that allows a satellite to be always located abovethe same location of the earth.
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geostationary orbit
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